2125104542 has 16 divisors (see below), whose sum is σ = 3478151664. Its totient is φ = 965760000.

The previous prime is 2125104521. The next prime is 2125104587. The reversal of 2125104542 is 2454015212.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206192 + ... + 216252.

It is an arithmetic number, because the mean of its divisors is an integer number (217384479).

Almost surely, 2^2125104542 is an apocalyptic number.

2125104542 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2125104542 is a deficient number, since it is larger than the sum of its proper divisors (1353047122).

2125104542 is a wasteful number, since it uses less digits than its factorization.

2125104542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19675.

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 2125104542 is about 46098.8561897147. The cubic root of 2125104542 is about 1285.6618778791.

Adding to 2125104542 its reverse (2454015212), we get a palindrome (4579119754).

The spelling of 2125104542 in words is "two billion, one hundred twenty-five million, one hundred four thousand, five hundred forty-two".